Finger Positions

Root Note B

Name B augmented over A

Intervals 1P-3M-5A

Relative Minor G#m

Notes A, B, D#, G

Aliases Baug, B+, B+5, B^#5

How to play the Baug/A Chord

The Baug/A is a fundamental augmented chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the B augmented over A is built using the 1P, 3M, 5A intervals. In the key of B Major, this chord functions as the I chord.

Common Progressions

In music composition, the Baug/A chord is often used to create tension or resolution.

I-V-vi-IV

B → F# → G#m → E

vi-IV-I-V

G#m → E → B → F#

The Diatonic Family

Understanding the "family" of chords that belong to B helps with transposition and ear training.

Triads

B C#m D#m E F# G#m A#dim

7ths

Bmaj7 C#m7 D#m7 Emaj7 F#7 G#m7 A#m7b5

Scale Compatibility

View All Scales

Flat Six Pentatonic Whole Tone Pentatonic Lydian #5p Pentatonic Augmented Mystery #1 Six Tone Symmetric Whole Tone Locrian Major Double Harmonic Lydian Altered Mixolydian B6 Lydian Augmented Ultralocrian Augmented Heptatonic Leading Whole Tone

* 15 scales found containing the notes A, B, D#, G.

Acoustic & Digital Analysis

Digital footprint of the Baug/A chord for MIDI programming and synthesizer sound design.

MIDI Numbers 69, 71, 63, 67

Frequencies (Hz)

440, 493.8833012561241, 311.1269837220809, 391.99543598174927